Need help identifying this hub motor

I bought this hub motor QS motor 72v 2000w



But the seller did not know the spec of the motor.
I’ve tries to contact QS motor representative, but they can’t give me the spec.

Could anyone please help me with the spec of the hub motor?
Number of pole pair?
Hall angle?

Thank u very much...

Any chance at seeing a picture of the whole motor?

Here is the whole hub motor


Thank you